headers/build/os/app/Messenger.h

   1 /*
   2  * Copyright 2001-2007, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Ingo Weinhold (bonefish@users.sf.net)
   7  */
   8 #ifndef _MESSENGER_H
   9 #define _MESSENGER_H
  10
  11
  12 #include <OS.h>
  13 #include <ByteOrder.h>
  14 #include <Message.h>
  15
  16 class BHandler;
  17 class BLooper;
  18
  19
  20 class BMessenger {
  21 public:
  22         BMessenger();
  23         BMessenger(const BMessenger &from);
  24         ~BMessenger();
  25
  26         // Operators and misc
  27
  28         BMessenger &operator=(const BMessenger &from);
  29         bool operator==(const BMessenger &other) const;
  30
  31         bool IsValid() const;
  32         team_id Team() const;
  33
  34         //----- Private or reserved -----------------------------------------
  35
  36         class Private;
  37
  38 private:
  39         friend class Private;
  40
  41         void _SetTo(team_id team, port_id port, int32 token);
  42
  43 private:
  44         port_id fPort;
  45         int32   fHandlerToken;
  46         team_id fTeam;
  47
  48         int32   _reserved[3];
  49 };
  50
  51 bool operator<(const BMessenger &a, const BMessenger &b);
  52 bool operator!=(const BMessenger &a, const BMessenger &b);
  53
  54 #endif  // _MESSENGER_H